All Questions
12,426
questions
0
votes
1
answer
23
views
Getting Data from a Jacksonised Object duing unit test
I'm trying to mock out RestServer calls, but It's not generating parseable JSON:
A Simple Class like so:
@SuperBuilder
@Data
@Setter
@Jacksonized
@JsonIgnoreProperties(ignoreUnknown = true)
Public ...
- 1
1
vote
2
answers
35
views
Jackson Deserialization - Treat specific string values as being null
I am working with an external API and have generated the Java client classes using the OpenAPI generator. One of the fields defined in the response is marked as being of a date type as shown below and ...
- 538
1
vote
0
answers
41
views
Byte array passthrough via Jackson ObjectMapper
I have a java openapi generated client which I use to retrieve some image from a remote server (this process runs fine against a browser, postman, etc.). I am able to configure the objectMapper of the ...
- 67
0
votes
1
answer
41
views
How to force XmlMapper to retain the root element?
I have the following minimal code:
final var xmlString = "<parent><child>data</child></parent>";
final var xmlMapper = XmlMapper.xmlBuilder()
.enable(...
- 43.6k
-2
votes
0
answers
21
views
Retrieve a specific value from JSON array using jackson [duplicate]
I'm trying to retrieve an specific attribute from a JSON that I got from an API response directly into a java object using jackson, but when I print it returns null.
The attribute in question is "...
-1
votes
1
answer
47
views
Return whole child DTO inside parentDto [closed]
I have class student and school DTO.
Class Student{
private String name;
private School school;
}
Class School{
private String schoolName;
private String address;
}
while returning ...
- 45
0
votes
1
answer
42
views
Jackson Subtypes - polymorphic code - issue with parsing
Have the following sets of json from a third party API :
First type:
{
"mandateAuthDtls": {
"transactionID": "<Transaction ID>",
"mndtType": &...
- 1
1
vote
1
answer
48
views
Issue with Jackson Deserialization Java
I hope you are well, I have a problem when Jackson deserializes a json.
Context:
I am programming a backend application with Java and Spring boot, where in my controller I request the following object/...
- 13
-1
votes
0
answers
24
views
(although at least one Creator exists): Jackson error on a static class
There are many sage that talks about fixing this error on a non static class by adding a constructor. I am wondering what is the fix if we have a static class defined as
@Value(staticConstructor = &...
- 933
4
votes
1
answer
36
views
How to get Java 8 time classes to work on Jersey Jax-RS clients?
You can tell how to configure ObjectMapper to automatically handle LocalDateTime class covered here:
serialize/deserialize java 8 java.time with Jackson JSON mapper
But when I try to use POJOs with ...
- 10.5k
-2
votes
1
answer
32
views
Jackson: new ObjectMapper() createObjectNode is affected by global configurations? [duplicate]
Jackson: new ObjectMapper() createObjectNode is affected by global configurations?
Is it safe to use a new ObjectMapper wherever it is needed?
Or is better to configure one to use in all application?
...
- 17
-1
votes
0
answers
53
views
Jackson Serialize Timestamp to Nanosecond Issue
How do I serialize java.sql.Timestamp with Jackson to include nanoseconds?
@Test
void testTimestampSerialization() throws Exception {
var objectMapper = new ObjectMapper();
...
- 6,534
-1
votes
0
answers
61
views
Docker image has java error on one machine but not another
I have a docker image (java tomcat app) that I built and pushed to a private registry. When pulling it onto a remote server and running it I keep getting error 500 and:
jakarta.servlet....
- 98
-2
votes
2
answers
71
views
Deserialization error on the 3rd library class instance in the class (using Lombok annotations) [duplicate]
I want to use a 3rd party (external) class instance in a class but I am getting this error on deserialization:
Cannot construct instance of org.springframework.data.geo.Point (no Creators, like ...
- 449
-1
votes
1
answer
40
views
Jackson INDENT_OUTPUT doesn't format properly - what am I doing wrong?
I've been trying to figure this out for a bit but couldn't pin-point my mistake.
I have a JSON I'd like to read into Java objects, manipulate those objects, then write them to a new JSON.
Code looks ...
- 31